What is the surface area of the figure? 7ft 7ft 12ft 12ft 5ft

This shape seems to be like a rectangular prism because of its dimensions

7 ft * 2 (widths)

12 ft * 2 (lengths)

5 ft (height of prism)

Formula of the surface area of a prism is:

2 * Area of base + Perimeter * Height of prism

Area of rectangle (length * width)

Perimeter of rectangle (2*length + 2*width)

2 * (12 * 7) + (2*12+2*7) * 5

168 + 190

358 ft²